Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe/regsr: Fixed a leak that occurred when xastore failed. The newly allocated entry was freed when xastore failed, thereby avoiding a memory leak in the error path. v2: Used “goto failfree”. Bala Cherry-picked from commit...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix UAF in configfs release path The gpio-virtuser configfs release path uses a guard mutex to protect the device structure. However, the device is freed before the mutex cleanup runs, causing mutexunlock to opera...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: spi-sprd-adi – Fixed a double-free in the probe error path. The driver currently uses spiallochost to allocate the controller, but registers it using devmspiregistercontroller. If devmregisterrestarthandler fails, the code...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: The reference count of the device should always be dropped in ibdelsubdeviceandput. Since nldevdeldev introduced in commit 060c642b2ab8 “RDMA/nldev: Add support for adding/deleting a sub IB device through netlink” grab...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak. This issue was fixed by using the syzbot tool to detect and address the KMSAN kernel-infoleak. In tcfifedump, the variable ‘opt’ was partially initialized...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netrom: The double-free issue in nrrouteframe has been fixed. In nrrouteframe, the oldskb is freed immediately, without checking whether nrneigh-ax25 is NULL. As a result, if nrneigh-ax25 is NULL, the calling function will free...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the inconsistency issue with the ISCHECKPOINTED flag caused by concurrent atomic commits and checkpoint writes. During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fsrecoverinodepage. This...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-tcp: A NULL pointer dereference was fixed in the nvmettcpbuildpduiovec function. The commit efa56305908b “nvmet-tcp: Fixed a kernel panic when the host sends an invalid H2C PDU length” added bounds checking for the ttag...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: icmp: Fixed a NULL pointer dereference in icmptagvalidation. icmptagvalidation unconditionally dereferes the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse—only about 15 out o...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fixed a use-after-free in pm8001queuecommand The commit e29c47fe8946 “scsi: pm8001: Simplified pm8001taskexec” includes refactoring efforts for pm8001queuecommand. However, this change introduces a potential cause o...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: removed the never-working support for setting nsh fields. The validation of the setnsh... action is completely incorrect. It involves the nshkeyputfromnlattr function, which is the same function used to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Fixed a use-after-free in tipcmonreinitself. syzbot reported a use-after-free of tipcnetnet-monitors in tipcmonreinitself. The array is protected by RTNL, but tipcmonreinitself iterates over it without using RTNL...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted – Fixed a memory leak in tpm2loadcmd. tpm2loadcmd allocates a temporary blob indirectly through tpm2keydecode, but the blob is not freed during failure paths. This issue can be addressed by wrapping the blob with a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Staging: greybus: lights: Avoid dereferencing NULL values. The gblightslightconfig function stores the channelcount before allocating the channels array. If kalloc fails, gblightsrelease iterates over the non-zero count and...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Apparmor: Fixed a missing bounds check on the DEFAULT table in verifydfa. The verifydfa function only checks the bounds of DEFAULTTABLE when the state is not differentially encoded. When the verification loop traverses the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed corruption in the blockgrouptree dirtylist. When the incompat flag EXTENTTREEV2 is set, we unconditionally add the block group tree to the switchcommits list before calling switchcommitroots, just like we do for t...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/imx/tve: fixed the probe device leak. Make sure to remove the reference to the DDC device during probe operations when there is a probe failure e.g., probe deferral, as well as during the driver unbinding process...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed the issue by limiting the number of levels of policy namespaces. Currently, the number of policy namespaces is not bounded, relying on the user namespace limits. However, policy namespaces are not strictly tied to...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx – The data passed through ioctl is copied to the kernel’s space properly. The UFXIOCTLREPORTDAMAGE ioctl does not copy data from user space to the kernel’s space properly. Instead, it directly references the memory...